X-ray developing tank



FIG. 1 is a top plan view of an x-ray developing tank showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

The ornamental design for an x-ray developing tank, as shown anddescribed.